CVE-2026-4209CRITICAL 9.8EPSS p89.4%
CVE-2026-4209CVE-2026-4209
Description
A vulnerability was identified in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. Affected is the function cgi_create_import_users/cgi_user_batch_create/cgi_user_set_quota/cgi_user_del/cgi_user_modify/cgi_group_set_quota/cgi_group_modify/cgi_group_add/cgi_user_add/cgi_get_modify_group_info/cgi_chg_admin_pw of the file /cgi-bin/account_mgr.cgi. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
Scoring
| CVSS 3.1 | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.09% probability of exploitation · percentile 89.4% · 2026-06-19T12:03:05Z |
| Published | 2026-03-16 |
| Last modified | 2026-04-29 |
Underlying weaknesses· 2
References
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_148/148.md
- https://github.com/wudipjq/my_vuln/blob/main/D-Link8/vuln_149/149.md
- https://vuldb.com/?ctiid.351120
- https://vuldb.com/?id.351120
- https://vuldb.com/?submit.770429
- https://vuldb.com/?submit.770430
- https://vuldb.com/?submit.770431
- https://vuldb.com/?submit.770432
2
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')cwe-74 | 0% | live |
| Weakness | Improper Neutralization of Special Elements used in a Command ('Command Injection')cwe-77 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.